/Engine/Source/Runtime/Landscape/Classes/LandscapeInfo.h
Moves Splines connected to this control point to target Proxy. CreatesULandscapeSplinesComponentif needed.
void MoveSplineToProxy ( [ULandscapeSplineControlPoint](API\Runtime\Landscape\ULandscapeSplineControlPoint) * InControlPoint, [ALandscapeProxy](API\Runtime\Landscape\ALandscapeProxy) * InLandscapeProxy )